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36results about How to "Enhanced transfer process" patented technology

Lightweight target detection method fusing attention mechanism

The invention relates to a lightweight target detection method fusing an attention mechanism, and belongs to the technical field of image recognition. The method comprises the following steps: firstly, making a target image data set and preprocessing; secondly, combining an MBConv structure and a CA attention mechanism to construct a CSPCAMBConv structure, and using the CSPCAMBConv structure to reconstruct a backbone network of Yolov5s; a bidirectional feature pyramid fusion module is adopted in the neck network, and feature information transmission and sharing are enhanced; besides, a scale inconsistency item and a width difference item are introduced into a loss function to balance the difference between a prediction frame and a real frame, so that the model is more sensitive to the scale difference of the target in the training process. And finally, pruning the model through sparse training to compress the size of the network model so as to obtain an optimal lightweight model. The method is suitable for an edge terminal with limited computing resources, targets of different scales can be accurately positioned under a complex background, and the problems of wrong detection and missing detection of the targets are effectively reduced.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Unequal air gap motor structure and scroll compressor

The utility model discloses an unequal air gap motor structure and a scroll compressor, belongs to the technical field of compressors, and aims to solve the problems that the motor efficiency is influenced and vibration and noise are caused by adopting a uniform air gap structure. According to the technical scheme, the unequal-air-gap motor structure comprises a plurality of stator punching sheets and a plurality of rotor punching sheets, stator inner holes are formed in the stator punching sheets, the rotor punching sheets are located in the stator inner holes, and a plurality of magnetic poles are arranged on the sides, close to the rotor punching sheets, of the stator punching sheets. A plurality of air gaps are formed between the sides, close to the rotor punching sheet, of the magnetic poles and the outer ring surface of the rotor punching sheet, a plurality of concave structures are arranged on the sides, close to the rotor punching sheet, of the magnetic poles, the intervals of the air gaps are unequal, and through the concave structures which are the same in shape and structure and are mutually symmetrical, the machining difficulty is reduced, and the length of the air gaps can be remarkably increased; and meanwhile, an unequal air gap structure is formed, so that the noise in the operation process of the motor is reduced, the noise in the operation process of the scroll compressor is further reduced, and the performance and the reliability of the scroll compressor are improved.
Owner:SUZHOU ZHONGCHENG NEW ENERGY TECH CO LTD

A stable temperature measuring structure of a DCE bottle

ActiveCN224647067UEnhanced transfer processincrease production capacity
The utility model relates to chemical vapor deposition equipment technical field especially a kind of stable temperature measuring structure of DCE bottle, including: the bottle body of installation mouth configuration;Detachable connection has fixed component in the inside of the installation mouth, the inside fixed mounting of fixed component has thermocouple, the detection end of the thermocouple extends to the inside of the bottle body;Wherein, still fixed mounting has gas delivery pipe on the bottle body, the upper end of the gas delivery pipe is placed above the bottle body, in the utility model, inert gas is passed into bubble by being inhaled into the liquid in bottle body, and the physical movement of bubble is used to cause forced convection inside liquid, and this forced convection greatly accelerates the transmission process of heat from bottle wall to liquid center, so that the time of entire chemical source system to reach real thermodynamic equilibrium is effectively shortened, significantly reduces the invalid idle time of equipment due to waiting, directly improves the effective utilization rate of equipment and the overall productivity of production line.
Owner:JIANGSU XINGAN TECH CO LTD

A spinless multi-roller continuously variable transmission unit

This invention discloses a spinless multi-roller cone continuously variable transmission (CVT) unit, aiming to provide a CVT unit that avoids spin efficiency loss within its gear ratio range, is easy to manufacture, has a long lifespan, and provides high torque. Its key technical features are: the transmission unit consists of a spindle, input sleeve, output sleeve, input roller, output roller, force-transmitting cone, cone mounting shaft, and speed-regulating sleeve. Power is input through the input sleeve, passing sequentially through the input roller, force-transmitting cone, and output roller, and finally output through the output sleeve. A speed-regulating sleeve is arranged on the spindle, hinged to one end of the cone mounting shaft. During speed adjustment, the orientation of the force-transmitting roller is changed by moving the speed-regulating sleeve, and other traction elements follow and maintain contact. The working surface of the force-transmitting cone is a standard conical surface, while the input and output rollers are convex curved surfaces. This invention can be used to replace the transmission unit in a traction-type CVT, enabling the transmission to achieve spinless, efficient transmission with excellent overall performance.
Owner:BEIJING INTELLECTUAL PROPERTY TECH CO LTD

Optical lens group and vehicle lamp using same

The utility model discloses an optical lens group and a vehicle lamp using the same. The optical lens group comprises a first lens, a second lens and a third lens which are sequentially arranged from an object side to an image side along an optical axis direction, the first lens is a glass lens, and the second lens and the third lens are plastic lenses. The image side surface of the first lens, the object side surface and the image side surface of the second lens and the object side surface and the image side surface of the third lens are all of aspheric surface structures; the object side surface of the first lens is a plane and the image side surface is a convex surface; the object side surface of the second lens is a concave surface and the image side surface is a convex surface; the third lens element has a concave object-side surface and a convex image-side surface. The optical lens group provided by the utility model is beneficial to miniaturization and light weight of a lamp, the production cost is reduced, better image definition and details can be obtained, and the imaging quality is high.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

Hydrogen storage tank filled with hydrogen adsorption material

The invention discloses a hydrogen storage tank filled with a hydrogen adsorption material, and belongs to the technical field of hydrogen storage tanks. The hydrogen storage tank filled with the hydrogen adsorption material comprises a tank body, a tank cover is installed at one end of the tank body, a heat exchange pipe is arranged in the tank body, the two ends of the heat exchange pipe penetrate through the other end of the tank body, the heat exchange pipe is in a U shape, a plurality of cooling fins are installed on the outer side of the heat exchange pipe, and the hydrogen storage material is arranged among the cooling fins. Supporting bases are installed on the two sides of the bottom end of the tank body, a bottom box is installed at the bottom ends of the supporting bases, a limiting mechanism is arranged in the bottom box, universal wheels are installed on the two sides of the bottom end of the bottom box, one end face of the tank cover communicates with a gas inlet and outlet pipe, a valve is installed at one end of the gas inlet and outlet pipe, and a gas inlet and outlet connecting pipe is installed at one end of the valve. The thermal management efficiency of the hydrogen storage tank can be effectively improved, the problem that an existing hydrogen storage tank is poor in thermal management effect is solved, and high practical value is achieved.
Owner:CHENGDU GENHAI YUNJI TECHNOLOGY CO LTD

Cd-polluted soil ecological remediation material based on FeCl3 modified biochar coupled with humus loaded SRB composite bacterial ball and preparation method and application thereof

The present application belongs to the technical field of environmental remediation and soil ecological engineering, and particularly relates to a modified iron biochar-humus-sulfate-reducing bacteria (SRB) composite system for realizing efficient immobilization and ecological remediation of cadmium (Cd 2+ ) in heavy metal contaminated soil. The system can enhance the stability of microbial colonies and has the characteristics of physical and biological synergistic passivation, thereby realizing long-term stabilization and ecological remediation of heavy metals.
Owner:NORTHWEST UNIV

Current adjusting device for circuit board electroplating

The utility model relates to the technical field of circuit board processing, in particular to a current adjusting device for circuit board electroplating, which comprises an electroplating box, a portal frame is mounted in the middle of the top of the electroplating box, an electric cylinder is mounted in the middle of the top of the portal frame, and the output end of the electric cylinder is fixedly mounted in the middle of the top of a transverse plate. A rotating shaft is rotatably mounted on the side, away from the anode, of the transverse plate, a clamping assembly is arranged at the bottom of the rotating shaft, a conductive slip ring connected with the cathode of the current regulator is mounted at the top of the rotating shaft, a stirring shaft is rotatably mounted on the other side of the transverse plate, and a plurality of stirring rods are mounted below the outer side wall of the stirring shaft. The electric cylinder drives the transverse plate to ascend, the U-shaped plate can be driven to ascend, the U-shaped plate drives a circuit board to ascend to leave electroplating liquid in the electroplating box, when a worker takes the circuit board, fingers do not need to stretch into the electroplating liquid, and harm to the fingers is reduced.
Owner:GUANGDE ZHANXIN ELECTRONIC TECH CO LTD

Sewage denitrification system based on autotrophic microorganisms

The invention discloses a sewage denitrification system based on autotrophic microorganisms, and relates to the technical field of biology. The sewage denitrification system comprises a wastewater supply unit, a strain supply unit and a biological membrane unit, the wastewater supply unit and the strain supply unit are respectively connected with the biological membrane unit and can respectively supply wastewater and strains to the biological membrane unit; the biological membrane unit is loaded with a filler; the filler comprises elemental sulfur and tourmaline, the strain comprises sulfur autotrophic denitrifying bacteria and tourmaline autotrophic denitrifying bacteria. According to the sewage denitrification system constructed through flora domestication and electron transfer improvement, chemical energy required by the reaction in the autotrophic denitrification process is reduced, efficient removal of total nitrogen is realized, and the denitrification reaction efficiency under the condition of low carbon-nitrogen ratio is improved.
Owner:工大环境股份有限公司

Low-voltage input high-power isolation power supply based on GaN power tube

The invention discloses a GaN power tube-based low-voltage input high-power isolated power supply, which comprises a first-stage circuit and a second-stage circuit, the first-stage circuit and the second-stage circuit both adopt a GaN power tube as a main power switch in a circuit, the first-stage circuit and the second-stage circuit are connected in series, and the input end of the first-stage circuit is used as the input end of the high-power isolated power supply; the output end of the second-stage circuit is used as the output end of the high-power isolation power supply; the first-stage circuit is used for boosting an input low-voltage direct-current voltage through an interleaved parallel BOOST circuit to obtain a boosted voltage; and the second-stage circuit is used for converting the boosted voltage into a voltage required by a load by adopting an asymmetric half-bridge flyback AHB topology and then outputting the voltage, and isolating the input boosted voltage from the output voltage required by the load through a power transformer. The switching power supply provided by the invention can meet the requirements of low-voltage input, high-power output, input and output voltage isolation, high efficiency, low temperature rise and high integration.
Owner:XIAN LONGFEI ELECTRIC TECH CO LTD

A kind of iron core tuned filter reactor

The present invention relates to the technical field of reactors, specifically to an iron core tuned filter reactor, comprising a reactor body, the upper and lower sides of the reactor body are fixedly connected with heat sinks, an iron core body is arranged inside the reactor body, and the outer walls of the upper and lower sides of the iron core body are movably plugged with U-shaped heat conductors. The fan blades are driven to rotate by a rotating shaft, thereby increasing the flow of air inside the reactor body. By increasing the flow of air inside the reactor body, the transfer and dissipation of heat can be accelerated, thereby reducing the temperature of the equipment and protecting the safety of the equipment. The rotation of the fan blades is precisely to achieve this purpose. It uses the principle of aerodynamics to discharge the hot air inside the reactor and inhale relatively cold air from the outside to form a cycle, improve the heat dissipation efficiency, reduce the power-off time of the reactor body, and facilitate the control of the temperature inside the reactor body.
Owner:KUNSHAN TYSEN KLD PHOTOELECTRIC TECH

A heat dissipation structure of an automobile wiper motor and a vehicle

The utility model discloses a kind of heat dissipation structure and vehicle of automobile wiper motor, comprising: motor shell and air-cooled component, the motor shell at least has the controller chamber for accommodating controller module, and is equipped with the end cap for closing the controller chamber;The air-cooled component is detachably mounted on the end cap, and is configured to be able to generate airflow flowing through the surface of the end cap, to dissipate heat to the end cap.The utility model is installed detachable air-cooled component on the motor shell of wiper motor, promotes the heat exchange of end cap and external environment using the airflow generated by air-cooled component, accelerates the heat transfer and emission of end cap, to reduce the surface temperature of end cap, improve the heat exchange efficiency of the internal environment of controller chamber and end cap, to ensure that wiper motor works normally.
Owner:CHONGQING JINKANG NEW ENERGY VEHICLE CO LTD

Device for removing total nitrogen in wastewater by electric field activation of pyrite

ActiveCN224394660UAchieve deep removalSpeed ​​up the transfer processWater/sewage treatment by reductionTotal nitrogenNitrogen gas
The utility model relates to a kind of electric field activation pyrite removal wastewater total nitrogen device, belong to sewage treatment technical field, the utility model includes water distribution tank, reaction tank and effluent tank;Anode cage, cathode tube are equipped in the reaction tank, and sulphur iron ore particles are filled between cathode tube and anode cage;The power supply is connected to the cathode tube and anode cage;Water distribution tank and reaction tank between being equipped with baffle A, and the bottom of baffle A remains water flow passage A;Reaction tank and effluent tank between being equipped with baffle B;Water flow passage B is left in the left side of baffle B;The structure of the utility model makes sewage contact with sulphur iron ore under the action of electric field, and nitrate nitrogen and nitrite nitrogen can be reduced to nitrogen without biological bacteria, and nitrogen removal rate is high.
Owner:YUNNAN ZHIDE ENVIRONMENTAL PROTECTION TECH CO LTD

Composite heat dissipation equipment and liquid cooling system

The utility model relates to a composite heat dissipation device and a liquid cooling system. The liquid cooling system comprises the composite heat dissipation device. The composite heat dissipation equipment comprises a shell, at least one pre-cooling cavity is formed in the shell, a water blocking device is arranged in the pre-cooling cavity, so that the shell is divided into an air pre-cooling cavity and a surface cooling heat exchange cavity by the water blocking device, and liquid in the air pre-cooling cavity is isolated through the water blocking device so that airflow can penetrate through the water blocking device; the first cooling assembly comprises a filler, a water distributor and a circulating pump, at least part of the air pre-cooling cavity is filled with the filler, the water distributor is arranged in the air pre-cooling cavity, and the circulating pump is used for pumping water in the air pre-cooling cavity to the water distributor and spraying the water onto the filler, so that gas is cooled by liquid on the filler; and the second cooling assembly comprises a heat exchanger and a fan, the heat exchanger is arranged in the surface cooling heat exchange cavity, and the fan is arranged at an air outlet of the surface cooling heat exchange cavity. Therefore, the application scene universality of the product is improved, the water consumption is reduced, the heat dissipation efficiency is improved, the durability is ensured, and the application cost is reduced.
Owner:PREGIS NEW MATERIALS (SHENZHEN) PTE LTD

High-thermal-conductivity water additive and preparation method thereof

The invention relates to a high-thermal-conductivity water additive and a preparation method thereof, and belongs to the technical field of water additives. Pure natural tea saponin is adopted as a basic raw material, and a dodecyl chain is introduced under an alkaline catalysis condition to modify the tea saponin, so that tea saponin molecules can be spontaneously assembled into stable micelles in an aqueous solution, hydrogen bonds among water molecules are effectively destroyed, and the surface tension of water is remarkably reduced; the intermolecular interaction force of the modified tea saponin is enhanced, and the stability of the modified tea saponin in a high-temperature environment is enhanced. Besides, a ZIF-8 porous material is used as a carrier, a magnetic carrier easy to recover is prepared through high-temperature carbonization and confinement of magnetic substances, rich sites are provided for uniform loading of tea saponin through the high specific surface area and the regular pore channel structure of ZIF-8, and the thermal stability and the chemical stability of the material are further improved through carbonization; and through the synergistic effect of the magnetic substance and the carbonized ZIF-8, an efficient heat conduction network is constructed, and the heat conduction efficiency of the additive system is further improved.
Owner:SHANGHAI BINGO INT TRADING CO LTD

Large ball mill

The large ball mill comprises a base, a supporting side plate is fixedly installed on the top face of the base, a grinding chamber is rotationally connected to the side face of the supporting side plate, one end of the grinding chamber communicates with a discharging chamber, a side motor is fixedly installed on the side face of the discharging chamber, and spiral blades are installed at the output end of the side motor; and a screening mechanism is arranged on the inner wall of the discharging chamber. Automatic screening and cyclic utilization of materials are achieved through linkage of the filter plate and the spiral blade, qualified materials are directly discharged after being screened, unqualified materials can flow back to the grinding chamber for secondary grinding, the requirement for manual intervention is reduced, the overall grinding efficiency and the product quality are improved, and the production cost is reduced. Meanwhile, the filter plate vibrates up and down through linkage of the extrusion rod and the spring A, the screening process is effectively accelerated through the mechanical vibration, materials are prevented from blocking the filter plate, the filtering efficiency is ensured, and the production continuity is improved.
Owner:SINOMA LIYANG HEAVY MACHINERY

Method for preparing carbon source by reinforcing kitchen waste based on Fe composite MXene material

The invention provides a method for preparing a carbon source by reinforcing kitchen waste based on a Fe composite MXene material. According to the method, the Fe composite MXene material is added in the anaerobic fermentation process of the kitchen waste, so that the external electron transfer capability of indigenous bacteria of the kitchen waste can be enhanced by utilizing Fe (III) sites on the surface of the material, the decomposition effect of organic matters in the kitchen waste is improved, and the quality of an organic biological carbon source is improved. Fe (III) on the surface of the material can be reduced by microorganisms to generate Fe (II), and the Fe (II) is oxidized into Fe (III) again when the Fe (II) is in contact with air, so that cyclic utilization of Fe (III) / Fe (II) is realized. The Fe composite MXene material can replace a traditional functional microbial agent and organic matter decomposing enzyme, the fermentation period of the kitchen waste is shortened, the solubility COD of the organic biological carbon source and the volatile organic acid carbon source are improved, and the method has wide application prospects in the aspect of preparing the carbon source from the kitchen waste.
Owner:NANJING SHANGSHAN ENVIRONMENTAL ENG TECH CO LTD

Battery pack heat dissipation method based on phase change material and heat dissipation pipe

The invention discloses a battery pack heat dissipation method based on a phase change material and a heat dissipation pipe, and belongs to the technical field of battery packs, the battery pack comprises a shell and a plurality of battery packs arranged in the shell; the phase change material covers the outer part of the shell of the battery pack; the heat dissipation assembly is connected with the battery pack and is used for transferring heat of the battery pack to the outside; the control assembly is used for controlling the heat dissipation assembly to dissipate heat when the temperature of the battery pack reaches a preset range; the circulation loop comprises an internal channel and an external channel, and a built-in phase change material can be melted when the temperature of the battery rises, so that redundant heat is absorbed, and the temperature of the battery is reduced; the phase-change material is solidified, releases heat and keeps the temperature of the battery during cooling, so that the battery can reach a proper working temperature condition in a high-temperature or low-temperature working environment, a channel is arranged in the phase-change material, water in the internal channel is circulated by using a water pump, the heat of the phase-change material is reduced, then circulation is performed, and the cost is reduced.
Owner:NANJING SCAGE AUTOMOBILE TECH CO LTD

Cover taking device for rotational molding machine mold

The invention discloses a cover taking device for a rotational molding machine mold, belongs to the technical field of rotational molding, and solves the problem that a large amount of manpower is consumed in the mode that a mold cover is taken out and then lifted through auxiliary equipment such as a travelling crane or a travelling crane in the market at present, the cover taking device for the rotational molding machine mold comprises a supporting frame, the supporting frame comprises a first supporting frame and two second supporting frames, and the two second supporting frames are symmetrically arranged on the two sides of the first supporting frame; a clamping mechanism and a first transverse moving mechanism are arranged on the first supporting frame, and a second transverse moving mechanism is arranged on the second supporting frame. The clamping mechanism is used for being matched with a fixing piece on the mold cover and used for driving the mold cover to move up and down. The first transverse moving mechanism is used for driving the clamping mechanism to horizontally move on the first supporting frame. The second transverse moving mechanism drives the first transverse moving mechanism and the clamping mechanism to horizontally move on the second supporting frame.
Owner:YANTAI FANGDA ROTOMOLDING CO LTD

Liquid-cooled heat dissipation substrate for power module and power module

ActiveCN224746828Uincrease contact areaincrease flow space
The utility model belongs to vehicle technical field discloses a kind of liquid cooling heat dissipation substrate and power module for power module.The liquid cooling heat dissipation substrate for power module includes bearing plate body, fence structure and flow channel structure, fence structure is set out heat dissipation area on the side of bearing plate body away from power module, flow channel structure includes shunt main stem and shunt branch, multiple shunt main stem is arrayed distribution in heat dissipation area along first direction, to divide multiple flow channels in heat dissipation area, the two sides of each shunt main stem along first direction are each equipped with multiple shunt branch of staggered arrangement, one end of each shunt branch is equipped with first spoiler projection.Not only expand contact area, but also effectively widen the flow space of coolant, to reduce flow resistance, improve flow speed, simultaneously, by setting first spoiler projection, cooling liquid can be caused to produce vortex and secondary flow, to this disturbance and destroy close to flow channel wall surface laminar boundary layer, improve heat dissipation efficiency.
Owner:CHIXIN MICROELECTRONICS TECH (SUZHOU) CO LTD

Novel gas chromatograph-mass spectrometer sampling device

The utility model discloses a novel gas chromatograph-mass spectrometer sample introduction device, which relates to the technical field of sample introduction devices, and comprises an openable sample introduction box body, the sample introduction box body is provided with a sample introduction pipe and a sample discharge pipe which are arranged along the diagonal direction of the sample introduction box body, two partition plates which are parallel to each other and are used for separating space are arranged in the sample introduction box body, and the two partition plates are arranged in the sample introduction box body. A filter screen is detachably mounted on each partition plate, and a rotary cleaning mechanism which is in contact with the filter screen and is used for cleaning the filter screen is mounted on each partition plate; a temperature control mechanism is arranged on the front side of the sample injection box body. Revolution and rotation of the net cleaning brush roller are achieved through the rotary cleaning mechanism, the filter net is prevented from being blocked, the flow speed is guaranteed to be stable, refrigeration and heating are accurately controlled through the temperature controller, volatilization and degradation of flavor substances are reduced, the accuracy of experimental data is improved, in addition, the rotary cleaning mechanism can stir samples, promote convective heat exchange and improve heat exchange efficiency during cleaning, and the working efficiency is improved. And the sample can quickly reach the required temperature.
Owner:北京市农产品质量安全中心

High-temperature-resistant isolation titanium alloy gate valve

The utility model discloses a high-temperature-resistant isolation titanium alloy gate valve, which belongs to the technical field of gate valves and comprises a valve body, a valve cover movably connected with the upper surface of the valve body, connecting flanges communicated with two ends of the valve body, a valve plate movably connected with an inner cavity of the valve body, and a valve rod fixedly connected with the upper surface of the valve plate. A protective cover is fixedly connected to the upper surface of the valve cover, cooling fins are fixedly connected to the outer surface of the valve body, a cooling ring is fixedly connected to the outer surface of the protective cover, a metal sealing gasket is arranged in an inner cavity of the valve body, and rubber sealing gaskets are movably connected to the two sides of the metal sealing gasket. The contact area between the valve and surrounding air is increased, the process that heat energy is transmitted from the valve to the air is accelerated, heat accumulated on the valve can be reduced, accumulated damage of thermal stress to valve materials is reduced, and therefore the service life of the valve is prolonged, the maintenance and replacement frequency is reduced, and the operation cost is reduced.
Owner:BOLANG FLUID CONTROL (ZHEJIANG) CO LTD

Panoramic implantation marking method and related equipment

The invention provides a panorama implantation mark method and related equipment, and when a user wants to look up panorama image data of a certain target geographic position, the target image position corresponding to the target geographic position corresponding to a user look-up instruction can be determined and implanted with a mark, so that the interaction experience of the user is enhanced, and the user experience is improved. And auxiliary information association and transmission are improved, so that the practicability and usability of the data are improved. Further, from the perspective of data production and maintenance, the marking is standardized marking of the panoramic basic points. The method can help a data manager to quickly identify and manage different panoramic basic points, can locate a specific position through marking, improves the data processing efficiency, can highlight the particularity of a target position for a complex panoramic scene through marking, helps a user to understand the importance of the position, strengthens the cognition of the user on the target geographic position, and improves the user experience. The lookup process is more efficient, the user experience is improved, and the application scene of the panoramic image data is expanded.
Owner:GUANGDONG TAIYI HIGH & NEW TECH DEV CO LTD

Detection method, device and equipment suitable for aerial photography of small target

The invention provides a detection method, device and equipment suitable for aerial photography of a small target, and relates to the technical field of image processing, and the method comprises the steps: obtaining a to-be-detected image; adding jump connection between input and output features of the same feature layer by using a bidirectional feature pyramid network DBiFPN, fusing input feature layers with different resolutions, and extracting initial feature information from the to-be-detected image; capturing and strengthening the initial feature information by using a multi-element branch module C2fDB to obtain intermediate feature information; and optimizing the intermediate feature information by using a bounding box regression loss function to obtain target feature information, and expressing the target feature information through a triple attention mechanism and a dynamic head framework. According to the method, feature maps of different scales are fused through bidirectional weighting by means of the improved DBiFPN, information exchange and transmission between targets of different scales are enhanced, the positioning performance and generalization ability of the model are enhanced, and the feature expression ability is remarkably improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

A two-stage small sample target detection method based on an optimized CBAM attention mechanism

The application relates to the field of small sample target detection, in particular to a two-stage small sample target detection method based on an optimized CBAM attention mechanism, and comprises the following steps: training a two-stage target detection network Faster-RCNN by using a base class data set to obtain a base class detection model; freezing parameters of a feature extraction backbone network in the base class detection model; optimizing a CBAM attention mechanism module; placing the optimized CBAM attention module in the feature extraction backbone network to construct a detection network, then inputting a new class small sample data set with a small amount of labeled information to fine-tune parameters of a detection head part of the detection network; and inputting a to-be-detected data set into the detection network to obtain a detection result. Compared with the prior art, the application has the advantages of inhibiting the influence of unimportant spatial information, improving the attention degree of important spatial information, enhancing the sensitivity to different scale features, and having strong generalization ability and robustness and the like.
Owner:TONGJI UNIV

Heating device for asphalt concrete processing

The utility model relates to the technical field of asphalt concrete heaters, in particular to a heating device for asphalt concrete processing, which comprises a heating main body device, a motor arranged on the upper side of the heating main body device, an output shaft rotationally connected in the motor, and a matched rotator fixedly connected to the circumferential surface of the output shaft. According to the device, the heating efficiency is improved by additionally arranging the stirring rods, so that asphalt and aggregate can be heated more uniformly, and when the asphalt and the aggregate are stirred in the heating device, the contact area of the asphalt and the aggregate can be increased, so that the asphalt and the aggregate can be heated more uniformly, and the asphalt and the aggregate can be heated more uniformly. Therefore, heat transfer and distribution are accelerated, heating is more uniform and efficient, and meanwhile, the device further has a barrel self-cleaning function, so that the working efficiency of the device is improved.
Owner:HONGHE COUNTY XINGSHENG BUILDING MATERIALS CO LTD

A full-immersion evaporative cooling transformer cooling mechanism

The utility model relates to transformer technical field especially is a kind of full-immersion evaporative cooling transformer heat dissipation mechanism, including transformer main body, the both sides of transformer main body bottom are all welded and connected with support foot, the vertical surface of transformer main body is equally spaced and distributed with fin, the top of transformer main body outside and the bottom of transformer main body are all provided with the heat dissipation assembly for assisting fin heat dissipation, the heat dissipation assembly includes the water tank being arranged between two support feet, the periphery of water tank and the inside of heat dissipation assembly are provided with collection assembly, the collection assembly includes the opening being opened in the top of the four vertical surfaces of water tank, the inside of four opening is all penetrated and has water receiving plate, the inside of water tank is provided with filter screen, the outside of filter screen is fixedly connected with connecting outer frame, the fin of wave shape setting can effectively increase the heat dissipation area, improve heat dissipation efficiency, and simultaneously heat dissipation assembly can improve the heat dissipation efficiency of fin.
Owner:SHENDIAN ELECTRIC APPLIANCE CO LTD

Flexible couplings with load capacity

This utility model belongs to the field of coupling manufacturing technology, specifically relating to a novel load-bearing flexible coupling, including an upper shaft hole, a lower shaft hole, and a flexible connecting sleeve. The upper shaft hole is used to install the shaft head of the driving component, and the lower shaft hole is used to install the shaft head of the driven component. The flexible connecting sleeve connects the upper shaft hole and the lower shaft hole, and the upper shaft hole, flexible connecting sleeve, and lower shaft hole are integrally formed. This novel load-bearing flexible coupling, through optimized structural design, especially the use of a flexible connecting sleeve of specific size and shape, achieves a bending area of ​​15 square millimeters, a bending strength of 785 MPa, and a maximum service strength of 47 nm, enabling it to stably transmit large loads and effectively broadening the application range of flexible couplings.
Owner:TIANJIN JINGWEI ELECTRIC POWER TECH CO LTD

Heat dissipation structure of heating furnace panel and gas heating furnace thereof

The utility model relates to the technical field of tipping paper, in particular to a heat dissipation structure of a heating furnace panel and a fuel gas heating furnace thereof, which comprises a fuel gas heating furnace body, the top of the fuel gas heating furnace body is fixedly connected with an operation panel, and the inner wall of the fuel gas heating furnace body is fixedly connected with a heat dissipation assembly. The heat dissipation assembly is used for improving the heat dissipation effect of the heating furnace panel, the bottom of the operation panel is slidably connected with the warning assembly, the warning assembly is used for reminding a user of use safety, and when the gas heating furnace body is used, heat transmitted to the operation panel is effectively dispersed through the heat dissipation assembly so as to improve the heat dissipation effect; and in addition, the bottom of the operation panel is slidably connected with a warning assembly, so that a user is reminded about the use safety of the heating furnace, and potential risks are reduced. Compared with the prior art, the stability and safety of the equipment during long-term use are improved.
Owner:ZHONGSHAN XIANGRONG ELECTRIC CO LTD

Heat pump assisted solar heating device

The utility model relates to the technical field of solar heating, and discloses a heat pump auxiliary solar heating device, which comprises a guide mechanism, a heat exchange mechanism, a light gathering mechanism and a drainage mechanism, the heat exchange mechanism comprises a guide cylinder and a plurality of radiating fins, the guide cylinder is detachably connected to the middle of the inside of the guide mechanism, and the radiating fins are detachably connected to the guide mechanism. The multiple cooling fins are fixedly connected to the outer surface of the guide cylinder. And the condensation mechanism is fixedly mounted on one side of the outer surface of the guide mechanism. According to the heat pump assisted solar heating device, the outer surface of the guide cylinder is fixedly connected with the cooling fins, the heat exchange area is increased, meanwhile, air flows in the guide mechanism and makes contact with the cooling fins for heat exchange in a long distance, the circulated air can be fully heated, the heat exchange efficiency is improved, heat is more efficiently utilized, and the heat exchange efficiency is improved. Meanwhile, a backflow pipe and a protective sleeve of the drainage mechanism are arranged on the condensation side of the condensation mechanism, and the condensation mechanism can reflect and gather sunlight which cannot be blocked by the backflow pipe.
Owner:TIBET ZHANEN NEW ENERGY TECH CO LTD